| 1 | //===-- RegisterContextWindows.h --------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef liblldb_RegisterContextWindows_H_ |
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| 10 | #define liblldb_RegisterContextWindows_H_ |
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| 11 | |
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| 12 | #include "lldb/Target/RegisterContext.h" |
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| 13 | #include "lldb/lldb-forward.h" |
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| 14 | |
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| 15 | namespace lldb_private { |
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| 16 | |
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| 17 | class Thread; |
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| 18 | |
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| 19 | class RegisterContextWindows : public lldb_private::RegisterContext { |
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| 20 | public: |
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| 21 | // Constructors and Destructors |
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| 22 | RegisterContextWindows(Thread &thread, uint32_t concrete_frame_idx); |
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| 23 | |
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| 24 | virtual ~RegisterContextWindows(); |
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| 25 | |
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| 26 | // Subclasses must override these functions |
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| 27 | void InvalidateAllRegisters() override; |
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| 28 | |
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| 29 | bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; |
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| 30 | |
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| 31 | bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; |
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| 32 | |
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| 33 | uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, |
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| 34 | uint32_t num) override; |
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| 35 | |
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| 36 | bool HardwareSingleStep(bool enable) override; |
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| 37 | |
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| 38 | static constexpr uint32_t GetNumHardwareBreakpointSlots() { |
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| 39 | return NUM_HARDWARE_BREAKPOINT_SLOTS; |
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| 40 | } |
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| 41 | |
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| 42 | bool AddHardwareBreakpoint(uint32_t slot, lldb::addr_t address, uint32_t size, |
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| 43 | bool read, bool write); |
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| 44 | bool RemoveHardwareBreakpoint(uint32_t slot); |
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| 45 | |
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| 46 | uint32_t GetTriggeredHardwareBreakpointSlotId(); |
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| 47 | |
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| 48 | protected: |
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| 49 | static constexpr unsigned NUM_HARDWARE_BREAKPOINT_SLOTS = 4; |
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| 50 | |
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| 51 | virtual bool CacheAllRegisterValues(); |
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| 52 | virtual bool ApplyAllRegisterValues(); |
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| 53 | |
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| 54 | CONTEXT m_context; |
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| 55 | bool m_context_stale; |
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| 56 | }; |
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| 57 | } // namespace lldb_private |
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| 58 | |
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| 59 | #endif // #ifndef liblldb_RegisterContextWindows_H_ |
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| 60 | |
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