Use --port/-p to start debug server

Author: MaartenS11

src/main/java/be/ugent/topl/mio/GdbStub.java

@@ -91,13 +91,13 @@ public WOODDumpResponse getCurrentState() {
         return debugger.getCheckpoints().getLast().getSnapshot();
     }
 
-    public void start() throws IOException {
+    public void start(int port) throws IOException {
         debugger.pause();
 
         byte[] wasmData = Files.readAllBytes(Path.of(binaryLocation));
 
-        ServerSocket server = new ServerSocket(1234);
-        System.out.println("Waiting for GDB on port 1234...");
+        ServerSocket server = new ServerSocket(port);
+        System.out.printf("Waiting for GDB on port %d...", port);
         Socket sock = server.accept();
         System.out.println("GDB connected!");
 

src/main/kotlin/be/ugent/topl/mio/Main.kt

@@ -52,6 +52,19 @@ fun main(args: Array<String>) {
     }
     expectNArguments(args, 1)
     val config = DebuggerConfig()
+
+    if (args[0].startsWith("-p=") || args[0].startsWith("--port=")) {
+        expectNArguments(args, 2)
+        val wasmFilename = args[1]
+        val port = args[0].split("=")[1].toInt()
+        val debugger = Debugger(ProcessConnection(config.wdcliPath, wasmFilename, "--no-socket", "--paused"))
+        debugger.pause()
+        debugger.setSnapshotPolicy(Debugger.SnapshotPolicy.Checkpointing())
+        val stub = GdbStub(debugger, wasmFilename)
+        stub.start(port)
+        return
+    }
+
     when (args[0]) {
         "debug" -> {
             expectNArguments(args, 2)
@@ -151,15 +164,6 @@ fun main(args: Array<String>) {
                 config.port!!
             )
         }
-        "debug-server" -> {
-            expectNArguments(args, 2)
-            val wasmFilename = args[1]
-            val debugger = Debugger(ProcessConnection(config.wdcliPath, wasmFilename, "--no-socket", "--paused"))
-            debugger.pause()
-            debugger.setSnapshotPolicy(Debugger.SnapshotPolicy.Checkpointing())
-            val stub = GdbStub(debugger, wasmFilename)
-            stub.start()
-        }
         else -> {
             println("Invalid option \"${args[0]}\"!")
             exitProcess(1)