//===-- RegisterContextLinux_arm64.h ----------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_RegisterContextLinux_arm64_H_
#define liblldb_RegisterContextLinux_arm64_H_

#include "lldb/lldb-private.h"
#include "lldb/Target/RegisterContext.h"
#include "RegisterInfoInterface.h"

class RegisterContextLinux_arm64
    : public lldb_private::RegisterInfoInterface
{
public:
    // based on RegisterContextDarwin_arm64.h
    struct GPR
    {
        uint64_t    x[29];  // x0-x28
        uint64_t    fp;     // x29
        uint64_t    lr;     // x30
        uint64_t    sp;     // x31
        uint64_t    pc;     // pc
        uint32_t    cpsr;   // cpsr
    };

    // based on RegisterContextDarwin_arm64.h
    struct VReg
    {
        uint8_t bytes[16];
    };

    // based on RegisterContextDarwin_arm64.h
    struct FPU
    {
        VReg        v[32];
        uint32_t    fpsr;
        uint32_t    fpcr;
    };

    // based on RegisterContextDarwin_arm64.h
    struct EXC
    {
        uint64_t    far;       // Virtual Fault Address
        uint32_t    esr;       // Exception syndrome
        uint32_t    exception; // number of arm exception token
    };

    // based on RegisterContextDarwin_arm64.h
    struct DBG
    {
        uint64_t bvr[16];
        uint64_t bcr[16];
        uint64_t wvr[16];
        uint64_t wcr[16];
        uint64_t mdscr_el1;
    };

    RegisterContextLinux_arm64(const lldb_private::ArchSpec &target_arch);

    size_t
    GetGPRSize() const override;

    const lldb_private::RegisterInfo *
    GetRegisterInfo() const override;

    uint32_t
    GetRegisterCount () const override;

private:
    const lldb_private::RegisterInfo *m_register_info_p;
    uint32_t m_register_info_count;
};

#endif