suyu/src/core/gdbstub/gdbstub.h
2016-03-20 14:35:51 +01:00

96 lines
2.3 KiB
C++

// 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 <atomic>
#include "common/common_types.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 {
PAddr address;
BreakpointType type;
};
/// If set to false, the server will never be started and no gdbstub-related functions will be executed.
extern std::atomic<bool> g_server_enabled;
/**
* Set the port the gdbstub should use to listen for connections.
*
* @param port Port to listen for connection
*/
void SetServerPort(u16 port);
/**
* Set the g_server_enabled flag and start or stop the server if possible.
*
* @param status Set the server to enabled or disabled.
*/
void ToggleServer(bool status);
/// Start the gdbstub server.
void Init();
/// Stop gdbstub server.
void Shutdown();
/// Returns true if there is an active socket connection.
bool IsConnected();
/**
* 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(u32 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(u32 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);
}