RegisterContextPOSIX_arm.h
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//===-- RegisterContextPOSIX_arm.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 liblldb_RegisterContextPOSIX_arm_h_
#define liblldb_RegisterContextPOSIX_arm_h_
#include "RegisterInfoInterface.h"
#include "lldb-arm-register-enums.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Utility/Log.h"
class ProcessMonitor;
class RegisterContextPOSIX_arm : public lldb_private::RegisterContext {
public:
RegisterContextPOSIX_arm(lldb_private::Thread &thread,
uint32_t concrete_frame_idx,
lldb_private::RegisterInfoInterface *register_info);
~RegisterContextPOSIX_arm() override;
void Invalidate();
void InvalidateAllRegisters() override;
size_t GetRegisterCount() override;
virtual size_t GetGPRSize();
virtual unsigned GetRegisterSize(unsigned reg);
virtual unsigned GetRegisterOffset(unsigned reg);
const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
size_t GetRegisterSetCount() override;
const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
const char *GetRegisterName(unsigned reg);
uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
uint32_t num) override;
protected:
struct RegInfo {
uint32_t num_registers;
uint32_t num_gpr_registers;
uint32_t num_fpr_registers;
uint32_t last_gpr;
uint32_t first_fpr;
uint32_t last_fpr;
uint32_t first_fpr_v;
uint32_t last_fpr_v;
uint32_t gpr_flags;
};
struct QReg {
uint8_t bytes[16];
};
struct FPU {
union {
uint32_t s[32];
uint64_t d[32];
QReg q[16]; // the 128-bit NEON registers
} floats;
uint32_t fpscr;
};
uint32_t m_gpr_arm[lldb_private::k_num_gpr_registers_arm]; // 32-bit general
// purpose
// registers.
RegInfo m_reg_info;
struct RegisterContextPOSIX_arm::FPU
m_fpr; // floating-point registers including extended register sets.
std::unique_ptr<lldb_private::RegisterInfoInterface>
m_register_info_up; // Register Info Interface (FreeBSD or Linux)
// Determines if an extended register set is supported on the processor
// running the inferior process.
virtual bool IsRegisterSetAvailable(size_t set_index);
virtual const lldb_private::RegisterInfo *GetRegisterInfo();
bool IsGPR(unsigned reg);
bool IsFPR(unsigned reg);
lldb::ByteOrder GetByteOrder();
virtual bool ReadGPR() = 0;
virtual bool ReadFPR() = 0;
virtual bool WriteGPR() = 0;
virtual bool WriteFPR() = 0;
};
#endif // liblldb_RegisterContextPOSIX_arm_h_