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//===-- RegisterContextMemory.h ---------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTMEMORY_H
#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTMEMORY_H
#include <vector>
#include "lldb/Target/DynamicRegisterInfo.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Utility/DataExtractor.h"
#include "lldb/lldb-private.h"
class RegisterContextMemory : public lldb_private::RegisterContext {
public:
RegisterContextMemory(lldb_private::Thread &thread,
uint32_t concrete_frame_idx,
lldb_private::DynamicRegisterInfo ®_info,
lldb::addr_t reg_data_addr);
~RegisterContextMemory() override;
void InvalidateAllRegisters() override;
size_t GetRegisterCount() override;
const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
size_t GetRegisterSetCount() override;
const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;
uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
uint32_t num) override;
// If all of the thread register are in a contiguous buffer in
// memory, then the default ReadRegister/WriteRegister and
// ReadAllRegisterValues/WriteAllRegisterValues will work. If thread
// registers are not contiguous, clients will want to subclass this
// class and modify the read/write functions as needed.
bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
lldb_private::RegisterValue ®_value) override;
bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
const lldb_private::RegisterValue ®_value) override;
bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
void SetAllRegisterData(const lldb::DataBufferSP &data_sp);
protected:
void SetAllRegisterValid(bool b);
lldb_private::DynamicRegisterInfo &m_reg_infos;
std::vector<bool> m_reg_valid;
lldb::WritableDataBufferSP m_data;
lldb_private::DataExtractor m_reg_data;
lldb::addr_t m_reg_data_addr; // If this is valid, then we have a register
// context that is stored in memmory
private:
RegisterContextMemory(const RegisterContextMemory &) = delete;
const RegisterContextMemory &
operator=(const RegisterContextMemory &) = delete;
};
#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTMEMORY_H
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