Bug 1774848 part 3 - Push a profiler entry when resuming generators and async functions in the C++ interpreter. r=iain

Differential Revision: https://phabricator.services.mozilla.com/D149864

js/src/jit-test/tests/profiler/interpreter-stacks.js

@@ -77,8 +77,7 @@ function testGenerator() {
 
     assertEq(stacks.length, 3);
     for (var stack of stacks) {
-        // TODO: this is missing the "generator" frame.
-        assertStack(stack, ["testGenerator", "next"]);
+        assertStack(stack, ["testGenerator", "next", "generator"]);
     }
 }
 testGenerator();
@@ -92,13 +91,11 @@ async function testAsync() {
         stacks.push(readGeckoInterpProfilingStack());
     };
     await asyncFun();
-    // TODO: this is missing the "testAsync" frame.
-    assertStack(readGeckoInterpProfilingStack(), ["AsyncFunctionNext"]);
+    assertStack(readGeckoInterpProfilingStack(), ["AsyncFunctionNext", "testAsync"]);
 
     assertEq(stacks.length, 2);
     assertStack(stacks[0], ["testAsync", "asyncFun"]);
-    // TODO: this is missing the "asyncFun" frame.
-    assertStack(stacks[1], ["AsyncFunctionNext"]);
+    assertStack(stacks[1], ["AsyncFunctionNext", "asyncFun"]);
 }
 testAsync();
 drainJobQueue();

js/src/vm/Interpreter.cpp

@@ -4332,6 +4332,11 @@ static MOZ_NEVER_INLINE JS_HAZ_JSNATIVE_CALLER bool Interpret(JSContext* cx,
         TraceLogStartEvent(logger, scriptEvent);
         TraceLogStartEvent(logger, TraceLogger_Interpreter);
 
+        if (!probes::EnterScript(cx, generatorScript,
+                                 generatorScript->function(), REGS.fp())) {
+          goto error;
+        }
+
         if (!DebugAPI::onResumeFrame(cx, REGS.fp())) {
           if (cx->isPropagatingForcedReturn()) {
             MOZ_ASSERT_IF(