mirror of
https://git.ryujinx.app/ryubing/ryujinx.git
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gdb: Cleanup Debugger.cs
by moving the GDB command handlers and command processor out of the class and into their own
This commit is contained in:
GreemDev
parent
fdbdb05cb5
commit
c33a97f01c
13 changed files with 1150 additions and 1075 deletions
393
src/Ryujinx.HLE/Debugger/Gdb/CommandProcessor.cs
Normal file
393
src/Ryujinx.HLE/Debugger/Gdb/CommandProcessor.cs
Normal file
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@ -0,0 +1,393 @@
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using System.Linq;
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using System.Net.Sockets;
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using System.Text;
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namespace Ryujinx.HLE.Debugger.Gdb
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{
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class GdbCommandProcessor
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{
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public readonly GdbCommands Commands;
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public GdbCommandProcessor(TcpListener listenerSocket, Socket clientSocket, NetworkStream readStream, NetworkStream writeStream, Debugger debugger)
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{
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Commands = new GdbCommands(listenerSocket, clientSocket, readStream, writeStream, debugger);
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}
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private string previousThreadListXml = "";
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public void Process(string cmd)
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{
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StringStream ss = new(cmd);
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switch (ss.ReadChar())
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{
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case '!':
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if (!ss.IsEmpty())
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{
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goto unknownCommand;
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}
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// Enable extended mode
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Commands.ReplyOK();
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break;
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case '?':
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if (!ss.IsEmpty())
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{
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goto unknownCommand;
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}
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Commands.CommandQuery();
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break;
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case 'c':
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Commands.CommandContinue(ss.IsEmpty() ? null : ss.ReadRemainingAsHex());
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break;
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case 'D':
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if (!ss.IsEmpty())
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{
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goto unknownCommand;
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}
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Commands.CommandDetach();
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break;
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case 'g':
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if (!ss.IsEmpty())
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{
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goto unknownCommand;
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}
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Commands.CommandReadRegisters();
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break;
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case 'G':
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Commands.CommandWriteRegisters(ss);
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break;
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case 'H':
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{
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char op = ss.ReadChar();
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ulong? threadId = ss.ReadRemainingAsThreadUid();
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Commands.CommandSetThread(op, threadId);
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break;
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}
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case 'k':
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Logger.Notice.Print(LogClass.GdbStub, "Kill request received, detach instead");
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Commands.Reply("");
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Commands.CommandDetach();
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break;
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case 'm':
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{
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ulong addr = ss.ReadUntilAsHex(',');
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ulong len = ss.ReadRemainingAsHex();
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Commands.CommandReadMemory(addr, len);
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break;
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}
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case 'M':
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{
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ulong addr = ss.ReadUntilAsHex(',');
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ulong len = ss.ReadUntilAsHex(':');
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Commands.CommandWriteMemory(addr, len, ss);
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break;
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}
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case 'p':
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{
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ulong gdbRegId = ss.ReadRemainingAsHex();
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Commands.CommandReadRegister((int)gdbRegId);
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break;
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}
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case 'P':
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{
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ulong gdbRegId = ss.ReadUntilAsHex('=');
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Commands.CommandWriteRegister((int)gdbRegId, ss);
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break;
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}
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case 'q':
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if (ss.ConsumeRemaining("GDBServerVersion"))
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{
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Commands.Reply($"name:Ryujinx;version:{ReleaseInformation.Version};");
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break;
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}
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if (ss.ConsumeRemaining("HostInfo"))
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{
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if (Commands.Debugger.IsProcessAarch32)
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{
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Commands.Reply(
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$"triple:{Helpers.ToHex("arm-unknown-linux-android")};endian:little;ptrsize:4;hostname:{Helpers.ToHex("Ryujinx")};");
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}
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else
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{
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Commands.Reply(
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$"triple:{Helpers.ToHex("aarch64-unknown-linux-android")};endian:little;ptrsize:8;hostname:{Helpers.ToHex("Ryujinx")};");
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}
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break;
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}
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if (ss.ConsumeRemaining("ProcessInfo"))
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{
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if (Commands.Debugger.IsProcessAarch32)
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{
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Commands.Reply(
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$"pid:1;cputype:12;cpusubtype:0;triple:{Helpers.ToHex("arm-unknown-linux-android")};ostype:unknown;vendor:none;endian:little;ptrsize:4;");
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}
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else
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{
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Commands.Reply(
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$"pid:1;cputype:100000c;cpusubtype:0;triple:{Helpers.ToHex("aarch64-unknown-linux-android")};ostype:unknown;vendor:none;endian:little;ptrsize:8;");
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}
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break;
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}
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if (ss.ConsumePrefix("Supported:") || ss.ConsumeRemaining("Supported"))
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{
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Commands.Reply("PacketSize=10000;qXfer:features:read+;qXfer:threads:read+;vContSupported+");
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break;
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}
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if (ss.ConsumePrefix("Rcmd,"))
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{
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string hexCommand = ss.ReadRemaining();
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Commands.HandleQRcmdCommand(hexCommand);
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break;
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}
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if (ss.ConsumeRemaining("fThreadInfo"))
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{
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Commands. Reply($"m{string.Join(",", Commands.Debugger.DebugProcess.GetThreadUids().Select(x => $"{x:x}"))}");
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break;
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}
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if (ss.ConsumeRemaining("sThreadInfo"))
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{
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Commands.Reply("l");
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break;
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}
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if (ss.ConsumePrefix("ThreadExtraInfo,"))
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{
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ulong? threadId = ss.ReadRemainingAsThreadUid();
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if (threadId == null)
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{
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Commands.ReplyError();
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break;
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}
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Commands.Reply(Helpers.ToHex(
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Commands.Debugger.DebugProcess.IsThreadPaused(
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Commands.Debugger.DebugProcess.GetThread(threadId.Value))
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? "Paused"
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: "Running"
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)
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);
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break;
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}
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if (ss.ConsumePrefix("Xfer:threads:read:"))
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{
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ss.ReadUntil(':');
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ulong offset = ss.ReadUntilAsHex(',');
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ulong len = ss.ReadRemainingAsHex();
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var data = "";
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if (offset > 0)
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{
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data = previousThreadListXml;
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}
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else
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{
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previousThreadListXml = data = GetThreadListXml();
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}
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if (offset >= (ulong)data.Length)
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{
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Commands.Reply("l");
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break;
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}
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if (len >= (ulong)data.Length - offset)
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{
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Commands.Reply("l" + Helpers.ToBinaryFormat(data.Substring((int)offset)));
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break;
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}
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else
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{
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Commands.Reply("m" + Helpers.ToBinaryFormat(data.Substring((int)offset, (int)len)));
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break;
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}
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}
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if (ss.ConsumePrefix("Xfer:features:read:"))
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{
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string feature = ss.ReadUntil(':');
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ulong offset = ss.ReadUntilAsHex(',');
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ulong len = ss.ReadRemainingAsHex();
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if (feature == "target.xml")
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{
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feature = Commands.Debugger.IsProcessAarch32 ? "target32.xml" : "target64.xml";
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}
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string data;
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if (RegisterInformation.Features.TryGetValue(feature, out data))
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{
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if (offset >= (ulong)data.Length)
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{
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Commands.Reply("l");
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break;
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}
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if (len >= (ulong)data.Length - offset)
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{
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Commands.Reply("l" + Helpers.ToBinaryFormat(data.Substring((int)offset)));
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break;
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}
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else
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{
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Commands.Reply("m" + Helpers.ToBinaryFormat(data.Substring((int)offset, (int)len)));
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break;
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}
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}
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else
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{
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Commands.Reply("E00"); // Invalid annex
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break;
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}
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}
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goto unknownCommand;
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case 'Q':
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goto unknownCommand;
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case 's':
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Commands.CommandStep(ss.IsEmpty() ? null : ss.ReadRemainingAsHex());
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break;
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case 'T':
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{
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ulong? threadId = ss.ReadRemainingAsThreadUid();
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Commands.CommandIsAlive(threadId);
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break;
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}
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case 'v':
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if (ss.ConsumePrefix("Cont"))
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{
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if (ss.ConsumeRemaining("?"))
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{
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Commands.Reply("vCont;c;C;s;S");
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break;
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}
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if (ss.ConsumePrefix(";"))
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{
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Commands.HandleVContCommand(ss);
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break;
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}
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goto unknownCommand;
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}
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if (ss.ConsumeRemaining("MustReplyEmpty"))
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{
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Commands.Reply("");
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break;
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}
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goto unknownCommand;
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case 'Z':
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{
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string type = ss.ReadUntil(',');
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ulong addr = ss.ReadUntilAsHex(',');
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ulong len = ss.ReadLengthAsHex(1);
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string extra = ss.ReadRemaining();
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if (extra.Length > 0)
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{
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Logger.Notice.Print(LogClass.GdbStub, $"Unsupported Z command extra data: {extra}");
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Commands.ReplyError();
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return;
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}
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switch (type)
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{
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case "0": // Software breakpoint
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if (!Commands.Debugger.BreakpointManager.SetBreakPoint(addr, len, false))
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{
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Commands.ReplyError();
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return;
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}
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Commands.ReplyOK();
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return;
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case "1": // Hardware breakpoint
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case "2": // Write watchpoint
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case "3": // Read watchpoint
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case "4": // Access watchpoint
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Commands.ReplyError();
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return;
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default:
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Commands. ReplyError();
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return;
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}
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}
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case 'z':
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{
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string type = ss.ReadUntil(',');
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ss.ConsumePrefix(",");
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ulong addr = ss.ReadUntilAsHex(',');
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ulong len = ss.ReadLengthAsHex(1);
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string extra = ss.ReadRemaining();
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if (extra.Length > 0)
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{
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Logger.Notice.Print(LogClass.GdbStub, $"Unsupported z command extra data: {extra}");
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Commands.ReplyError();
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return;
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}
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switch (type)
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{
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case "0": // Software breakpoint
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if (!Commands.Debugger.BreakpointManager.ClearBreakPoint(addr, len))
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{
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Commands.ReplyError();
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return;
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}
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Commands.ReplyOK();
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return;
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case "1": // Hardware breakpoint
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case "2": // Write watchpoint
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case "3": // Read watchpoint
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case "4": // Access watchpoint
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Commands.ReplyError();
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return;
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default:
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Commands.ReplyError();
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return;
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}
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}
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default:
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unknownCommand:
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Logger.Notice.Print(LogClass.GdbStub, $"Unknown command: {cmd}");
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Commands.Reply("");
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break;
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}
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}
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private string GetThreadListXml()
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{
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var sb = new StringBuilder();
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sb.Append("<?xml version=\"1.0\"?><threads>\n");
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foreach (var thread in Commands.Debugger.GetThreads())
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{
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string threadName = System.Security.SecurityElement.Escape(thread.GetThreadName());
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sb.Append(
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$"<thread id=\"{thread.ThreadUid:x}\" name=\"{threadName}\">{(Commands.Debugger.DebugProcess.IsThreadPaused(thread) ? "Paused" : "Running")}</thread>\n");
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}
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sb.Append("</threads>");
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return sb.ToString();
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}
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}
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}
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