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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
// Originally written by Sven Peter <sven@fail0verflow.com> for anergistic.
#pragma once
#include <string>
#include "common/common_types.h"
#include "core/hle/kernel/thread.h"
namespace GDBStub {
/// Breakpoint Method
enum class BreakpointType {
None, ///< None
Execute, ///< Execution Breakpoint
Read, ///< Read Breakpoint
Write, ///< Write Breakpoint
Access ///< Access (R/W) Breakpoint
};
struct BreakpointAddress {
VAddr address;
BreakpointType type;
};
/**
* Set the port the gdbstub should use to listen for connections.
*
* @param port Port to listen for connection
*/
void SetServerPort(u16 port);
/**
* Starts or stops the server if possible.
*
* @param status Set the server to enabled or disabled.
*/
void ToggleServer(bool status);
/// Start the gdbstub server.
void Init();
/**
* Defer initialization of the gdbstub to the first packet processing functions.
* This avoids a case where the gdbstub thread is frozen after initialization
* and fails to respond in time to packets.
*/
void DeferStart();
/// Stop gdbstub server.
void Shutdown();
/// Checks if the gdbstub server is enabled.
bool IsServerEnabled();
/// Returns true if there is an active socket connection.
bool IsConnected();
/// Register module.
void RegisterModule(std::string name, VAddr beg, VAddr end, bool add_elf_ext = true);
/**
* Signal to the gdbstub server that it should halt CPU execution.
*
* @param is_memory_break If true, the break resulted from a memory breakpoint.
*/
void Break(bool is_memory_break = false);
/// Determine if there was a memory breakpoint.
bool IsMemoryBreak();
/// Read and handle packet from gdb client.
void HandlePacket();
/**
* Get the nearest breakpoint of the specified type at the given address.
*
* @param addr Address to search from.
* @param type Type of breakpoint.
*/
BreakpointAddress GetNextBreakpointFromAddress(VAddr addr, GDBStub::BreakpointType type);
/**
* Check if a breakpoint of the specified type exists at the given address.
*
* @param addr Address of breakpoint.
* @param type Type of breakpoint.
*/
bool CheckBreakpoint(VAddr addr, GDBStub::BreakpointType type);
/// If set to true, the CPU will halt at the beginning of the next CPU loop.
bool GetCpuHaltFlag();
/// If set to true and the CPU is halted, the CPU will step one instruction.
bool GetCpuStepFlag();
/**
* When set to true, the CPU will step one instruction when the CPU is halted next.
*
* @param is_step
*/
void SetCpuStepFlag(bool is_step);
/**
* Send trap signal from thread back to the gdbstub server.
*
* @param thread Sending thread.
* @param trap Trap no.
*/
void SendTrap(Kernel::Thread* thread, int trap);
} // namespace GDBStub
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