windows-user-space-emulator/src/windows_emulator/gdb_stub.hpp

#pragma once

enum class gdb_action : uint8_t
{
	none,
	resume,
	shutdown,
};

enum class breakpoint_type : uint8_t
{
	software,
	hardware_exec,
	hardware_write,
	hardware_read,
	hardware_read_write,
};

struct gdb_stub_handler
{
	virtual ~gdb_stub_handler() = default;

	virtual gdb_action cont() = 0;
	virtual gdb_action stepi() = 0;

	virtual bool read_reg(int regno, size_t* value) = 0;
	virtual bool write_reg(int regno, size_t value) = 0;

	virtual bool read_mem(size_t addr, size_t len, void* val) = 0;
	virtual bool write_mem(size_t addr, size_t len, void* val) = 0;

	virtual bool set_bp(breakpoint_type type, size_t addr, size_t size) = 0;
	virtual bool del_bp(breakpoint_type type, size_t addr, size_t size) = 0;

	virtual void on_interrupt() = 0;
};

bool run_gdb_stub(gdb_stub_handler& handler, std::string target_description, size_t register_count, std::string bind_address);