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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <string>
#include "common/common_types.h"
namespace Kernel {
class KThread;
}
namespace Core {
class GDBStubArch {
public:
virtual ~GDBStubArch() = default;
virtual std::string GetTargetXML() const = 0;
virtual std::string RegRead(const Kernel::KThread* thread, size_t id) const = 0;
virtual void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const = 0;
virtual std::string ReadRegisters(const Kernel::KThread* thread) const = 0;
virtual void WriteRegisters(Kernel::KThread* thread, std::string_view register_data) const = 0;
virtual std::string ThreadStatus(const Kernel::KThread* thread, u8 signal) const = 0;
virtual u32 BreakpointInstruction() const = 0;
};
class GDBStubA64 final : public GDBStubArch {
public:
std::string GetTargetXML() const override;
std::string RegRead(const Kernel::KThread* thread, size_t id) const override;
void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const override;
std::string ReadRegisters(const Kernel::KThread* thread) const override;
void WriteRegisters(Kernel::KThread* thread, std::string_view register_data) const override;
std::string ThreadStatus(const Kernel::KThread* thread, u8 signal) const override;
u32 BreakpointInstruction() const override;
private:
static constexpr u32 LR_REGISTER = 30;
static constexpr u32 SP_REGISTER = 31;
static constexpr u32 PC_REGISTER = 32;
static constexpr u32 PSTATE_REGISTER = 33;
static constexpr u32 Q0_REGISTER = 34;
static constexpr u32 FPSR_REGISTER = 66;
static constexpr u32 FPCR_REGISTER = 67;
};
class GDBStubA32 final : public GDBStubArch {
public:
std::string GetTargetXML() const override;
std::string RegRead(const Kernel::KThread* thread, size_t id) const override;
void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const override;
std::string ReadRegisters(const Kernel::KThread* thread) const override;
void WriteRegisters(Kernel::KThread* thread, std::string_view register_data) const override;
std::string ThreadStatus(const Kernel::KThread* thread, u8 signal) const override;
u32 BreakpointInstruction() const override;
private:
static constexpr u32 SP_REGISTER = 13;
static constexpr u32 LR_REGISTER = 14;
static constexpr u32 PC_REGISTER = 15;
static constexpr u32 CPSR_REGISTER = 25;
static constexpr u32 D0_REGISTER = 32;
static constexpr u32 Q0_REGISTER = 64;
static constexpr u32 FPSCR_REGISTER = 80;
};
} // namespace Core
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