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- // Copyright 2017 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_LINUX_THREAD_SNAPSHOT_LINUX_H_
- #define CRASHPAD_SNAPSHOT_LINUX_THREAD_SNAPSHOT_LINUX_H_
- #include <stdint.h>
- #include "build/build_config.h"
- #include "snapshot/cpu_context.h"
- #include "snapshot/linux/process_reader_linux.h"
- #include "snapshot/memory_snapshot.h"
- #include "snapshot/memory_snapshot_generic.h"
- #include "snapshot/thread_snapshot.h"
- #include "util/misc/initialization_state_dcheck.h"
- namespace crashpad {
- namespace internal {
- //! \brief A ThreadSnapshot of a thread on a Linux system.
- class ThreadSnapshotLinux final : public ThreadSnapshot {
- public:
- ThreadSnapshotLinux();
- ThreadSnapshotLinux(const ThreadSnapshotLinux&) = delete;
- ThreadSnapshotLinux& operator=(const ThreadSnapshotLinux&) = delete;
- ~ThreadSnapshotLinux() override;
- //! \brief Initializes the object.
- //!
- //! \param[in] process_reader A ProcessReaderLinux for the process containing
- //! the thread.
- //! \param[in] thread The thread within the ProcessReaderLinux for
- //! which the snapshot should be created.
- //!
- //! \return `true` if the snapshot could be created, `false` otherwise with
- //! a message logged.
- bool Initialize(
- ProcessReaderLinux* process_reader,
- const ProcessReaderLinux::Thread& thread,
- uint32_t* gather_indirectly_referenced_memory_bytes_remaining);
- // ThreadSnapshot:
- const CPUContext* Context() const override;
- const MemorySnapshot* Stack() const override;
- uint64_t ThreadID() const override;
- std::string ThreadName() const override;
- int SuspendCount() const override;
- int Priority() const override;
- uint64_t ThreadSpecificDataAddress() const override;
- std::vector<const MemorySnapshot*> ExtraMemory() const override;
- private:
- union {
- #if defined(ARCH_CPU_X86_FAMILY)
- CPUContextX86 x86;
- CPUContextX86_64 x86_64;
- #elif defined(ARCH_CPU_ARM_FAMILY)
- CPUContextARM arm;
- CPUContextARM64 arm64;
- #elif defined(ARCH_CPU_MIPS_FAMILY)
- CPUContextMIPS mipsel;
- CPUContextMIPS64 mips64;
- #elif defined(ARCH_CPU_RISCV_FAMILY)
- CPUContextRISCV riscv;
- CPUContextRISCV64 riscv64;
- #else
- #error Port.
- #endif // ARCH_CPU_X86_FAMILY
- } context_union_;
- CPUContext context_;
- MemorySnapshotGeneric stack_;
- LinuxVMAddress thread_specific_data_address_;
- std::string thread_name_;
- pid_t thread_id_;
- int priority_;
- InitializationStateDcheck initialized_;
- std::vector<std::unique_ptr<MemorySnapshotGeneric>> pointed_to_memory_;
- };
- } // namespace internal
- } // namespace crashpad
- #endif // CRASHPAD_SNAPSHOT_LINUX_THREAD_SNAPSHOT_LINUX_H_
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