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//===-- GDBRemoteRegisterContext.h ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef lldb_GDBRemoteRegisterContext_h_
#define lldb_GDBRemoteRegisterContext_h_
// C Includes
// C++ Includes
#include <vector>
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Target/RegisterContext.h"
#include "Plugins/Process/Utility/DynamicRegisterInfo.h"
#include "GDBRemoteCommunicationClient.h"
class StringExtractor;
namespace lldb_private {
namespace process_gdb_remote {
class ThreadGDBRemote;
class ProcessGDBRemote;
class GDBRemoteDynamicRegisterInfo :
public DynamicRegisterInfo
{
public:
GDBRemoteDynamicRegisterInfo () :
DynamicRegisterInfo()
{
}
~GDBRemoteDynamicRegisterInfo() override = default;
void
HardcodeARMRegisters(bool from_scratch);
};
class GDBRemoteRegisterContext : public RegisterContext
{
public:
GDBRemoteRegisterContext (ThreadGDBRemote &thread,
uint32_t concrete_frame_idx,
GDBRemoteDynamicRegisterInfo ®_info,
bool read_all_at_once);
~GDBRemoteRegisterContext() override;
void
InvalidateAllRegisters () override;
size_t
GetRegisterCount () override;
const RegisterInfo *
GetRegisterInfoAtIndex (size_t reg) override;
size_t
GetRegisterSetCount () override;
const RegisterSet *
GetRegisterSet (size_t reg_set) override;
bool
ReadRegister (const RegisterInfo *reg_info, RegisterValue &value) override;
bool
WriteRegister (const RegisterInfo *reg_info, const RegisterValue &value) override;
bool
ReadAllRegisterValues (lldb::DataBufferSP &data_sp) override;
bool
WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) override;
bool
ReadAllRegisterValues (RegisterCheckpoint ®_checkpoint) override;
bool
WriteAllRegisterValues (const RegisterCheckpoint ®_checkpoint) override;
uint32_t
ConvertRegisterKindToRegisterNumber (lldb::RegisterKind kind, uint32_t num) override;
protected:
friend class ThreadGDBRemote;
bool
ReadRegisterBytes (const RegisterInfo *reg_info,
DataExtractor &data);
bool
WriteRegisterBytes (const RegisterInfo *reg_info,
DataExtractor &data,
uint32_t data_offset);
bool
PrivateSetRegisterValue (uint32_t reg, StringExtractor &response);
bool
PrivateSetRegisterValue (uint32_t reg, uint64_t val);
void
SetAllRegisterValid (bool b);
bool
GetRegisterIsValid (uint32_t reg) const
{
#if defined (LLDB_CONFIGURATION_DEBUG)
assert (reg < m_reg_valid.size());
#endif
if (reg < m_reg_valid.size())
return m_reg_valid[reg];
return false;
}
void
SetRegisterIsValid (const RegisterInfo *reg_info, bool valid)
{
if (reg_info)
return SetRegisterIsValid (reg_info->kinds[lldb::eRegisterKindLLDB], valid);
}
void
SetRegisterIsValid (uint32_t reg, bool valid)
{
#if defined (LLDB_CONFIGURATION_DEBUG)
assert (reg < m_reg_valid.size());
#endif
if (reg < m_reg_valid.size())
m_reg_valid[reg] = valid;
}
void
SyncThreadState(Process *process); // Assumes the sequence mutex has already been acquired.
GDBRemoteDynamicRegisterInfo &m_reg_info;
std::vector<bool> m_reg_valid;
DataExtractor m_reg_data;
bool m_read_all_at_once;
private:
// Helper function for ReadRegisterBytes().
bool GetPrimordialRegister(const RegisterInfo *reg_info,
GDBRemoteCommunicationClient &gdb_comm);
// Helper function for WriteRegisterBytes().
bool SetPrimordialRegister(const RegisterInfo *reg_info,
GDBRemoteCommunicationClient &gdb_comm);
DISALLOW_COPY_AND_ASSIGN (GDBRemoteRegisterContext);
};
} // namespace process_gdb_remote
} // namespace lldb_private
#endif // lldb_GDBRemoteRegisterContext_h_
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