Add support for function breakpoints

Signed-off-by: Rob Moran <[email protected]>

src/GDBDebugSession.ts

@@ -125,6 +125,7 @@ export class GDBDebugSession extends LoggingDebugSession {
         response.body.supportsConfigurationDoneRequest = true;
         response.body.supportsSetVariable = true;
         response.body.supportsConditionalBreakpoints = true;
+        response.body.supportsFunctionBreakpoints = true;
         // response.body.supportsSetExpression = true;
         this.sendResponse(response);
     }
@@ -303,6 +304,22 @@ export class GDBDebugSession extends LoggingDebugSession {
         }
     }
 
+    protected async setFunctionBreakPointsRequest(response: DebugProtocol.SetFunctionBreakpointsResponse,
+        args: DebugProtocol.SetFunctionBreakpointsArguments) {
+        try {
+            for (const fn of args.breakpoints) {
+                try {
+                    await mi.sendBreakFunctionInsert(this.gdb, fn.name);
+                } catch (error) {
+                    this.sendEvent(new OutputEvent(`Unable to set function breakpoint: ${error.message}`));
+                }
+            }
+            this.sendResponse(response);
+        } catch (err) {
+            this.sendErrorResponse(response, 1, err.message);
+        }
+    }
+
     protected async configurationDoneRequest(response: DebugProtocol.ConfigurationDoneResponse,
         args: DebugProtocol.ConfigurationDoneArguments): Promise<void> {
         try {

src/mi/breakpoint.ts

@@ -66,3 +66,8 @@ export function sendBreakDelete(gdb: GDBBackend, request: {
 export function sendBreakList(gdb: GDBBackend): Promise<MIBreakListResponse> {
     return gdb.sendCommand('-break-list');
 }
+
+export function sendBreakFunctionInsert(gdb: GDBBackend, fn: string) {
+    const command = `-break-insert --function ${fn}`;
+    return gdb.sendCommand(command);
+}