RegisterContextPOSIXCore_riscv32.h

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//===-- RegisterContextPOSIXCore_riscv32.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_ELF_CORE_REGISTERCONTEXTPOSIXCORE_RISCV32_H
#define LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_RISCV32_H
 
#include "Plugins/Process/Utility/RegisterInfoPOSIXDynamic_riscv32.h"
 
#include "Plugins/Process/elf-core/RegisterUtilities.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/DataExtractor.h"
#include "lldb/Utility/RegisterValue.h"
 
#include <memory>
 
class RegisterContextCorePOSIX_riscv32 : public lldb_private::RegisterContext {
public:
  struct csr_kv_t {
    uint32_t addr; // CSR address/index
    uint32_t val;  // CSR value
  };
 
  static std::unique_ptr<RegisterContextCorePOSIX_riscv32>
  Create(lldb_private::Thread &thread, const lldb_private::ArchSpec &arch,
         const lldb_private::DataExtractor &gpregset,
         llvm::ArrayRef<lldb_private::CoreNote> notes);
 
  ~RegisterContextCorePOSIX_riscv32() 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 set) override;
 
  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;
 
protected:
  RegisterContextCorePOSIX_riscv32(
      lldb_private::Thread &thread,
      std::unique_ptr<RegisterInfoPOSIXDynamic_riscv32> register_info,
      const lldb_private::DataExtractor &gpregset,
      llvm::ArrayRef<lldb_private::CoreNote> notes);
 
  bool IsGPR(unsigned reg);
 
  bool IsFPR(unsigned reg);
 
  bool IsCSR(unsigned reg);
 
  lldb_private::DynamicRegisterInfo::Register
  BuildDynamicRegister(const lldb_private::RegisterInfo &reg_info,
                       const lldb_private::ConstString &set_name,
                       uint32_t byte_offset);
 
private:
  std::unique_ptr<RegisterInfoPOSIXDynamic_riscv32> m_reg_infos_up;
  lldb_private::DataExtractor m_gpregset;
  lldb_private::DataExtractor m_fpregset;
  lldb_private::DataExtractor m_csregset;
};
 
#endif // LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_RISCV32_H