| // Copyright 2015 The Crashpad Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_ |
| #define CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_ |
| |
| #include <windows.h> |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "build/build_config.h" |
| #include "snapshot/cpu_context.h" |
| #include "snapshot/exception_snapshot.h" |
| #include "snapshot/win/thread_snapshot_win.h" |
| #include "util/misc/initialization_state_dcheck.h" |
| #include "util/win/address_types.h" |
| #include "util/win/process_structs.h" |
| |
| namespace crashpad { |
| |
| class ProcessReaderWin; |
| |
| namespace internal { |
| |
| class MemorySnapshotGeneric; |
| |
| union CPUContextUnion { |
| #if defined(ARCH_CPU_X86_FAMILY) |
| CPUContextX86 x86; |
| CPUContextX86_64 x86_64; |
| #elif defined(ARCH_CPU_ARM64) |
| CPUContextARM64 arm64; |
| #endif |
| }; |
| |
| class ExceptionSnapshotWin final : public ExceptionSnapshot { |
| public: |
| ExceptionSnapshotWin(); |
| ~ExceptionSnapshotWin() override; |
| |
| //! \brief Initializes the object. |
| //! |
| //! \param[in] process_reader A ProcessReaderWin for the process that |
| //! sustained the exception. |
| //! \param[in] thread_id The thread ID in which the exception occurred. |
| //! \param[in] exception_pointers The address of an `EXCEPTION_POINTERS` |
| //! record in the target process, passed through from the exception |
| //! handler. |
| //! |
| //! \note If the exception was triggered by |
| //! CrashpadClient::DumpAndCrashTargetProcess(), this has the side-effect |
| //! of correcting the thread suspend counts for \a process_reader. |
| //! |
| //! \return `true` if the snapshot could be created, `false` otherwise with |
| //! an appropriate message logged. |
| bool Initialize(ProcessReaderWin* process_reader, |
| DWORD thread_id, |
| WinVMAddress exception_pointers); |
| |
| // ExceptionSnapshot: |
| |
| const CPUContext* Context() const override; |
| uint64_t ThreadID() const override; |
| uint32_t Exception() const override; |
| uint32_t ExceptionInfo() const override; |
| uint64_t ExceptionAddress() const override; |
| const std::vector<uint64_t>& Codes() const override; |
| std::vector<const MemorySnapshot*> ExtraMemory() const override; |
| |
| private: |
| template <class ExceptionRecordType, |
| class ExceptionPointersType, |
| class ContextType> |
| bool InitializeFromExceptionPointers( |
| ProcessReaderWin* process_reader, |
| WinVMAddress exception_pointers_address, |
| DWORD exception_thread_id, |
| void (*native_to_cpu_context)(const ContextType& context_record, |
| CPUContext* context, |
| CPUContextUnion* context_union)); |
| |
| CPUContextUnion context_union_; |
| CPUContext context_; |
| std::vector<uint64_t> codes_; |
| std::vector<std::unique_ptr<internal::MemorySnapshotGeneric>> extra_memory_; |
| uint64_t thread_id_; |
| uint64_t exception_address_; |
| uint32_t exception_flags_; |
| DWORD exception_code_; |
| InitializationStateDcheck initialized_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExceptionSnapshotWin); |
| }; |
| |
| } // namespace internal |
| } // namespace crashpad |
| |
| #endif // CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_ |