1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/gdb/tests/test-unwind.cpp b/js/src/gdb/tests/test-unwind.cpp
new file mode 100644
index 000000000..6c8b7b86a
--- /dev/null
+++ b/js/src/gdb/tests/test-unwind.cpp
@@ -0,0 +1,52 @@
+#include "gdb-tests.h"
+#include "jsapi.h"
+#include "jit/JitOptions.h"
+
+#include <string.h>
+
+static bool
+Something(JSContext* cx, unsigned argc, JS::Value* vp)
+{
+    JS::CallArgs args = CallArgsFromVp(argc, vp);
+    args.rval().setInt32(23);
+    breakpoint();
+    return true;
+}
+
+static const JSFunctionSpecWithHelp unwind_functions[] = {
+    JS_FN_HELP("something", Something, 0, 0,
+"something()",
+"  Test function for test-unwind."),
+    JS_FS_HELP_END
+};
+
+FRAGMENT(unwind, simple) {
+    using namespace JS;
+
+    JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx));
+    if (!JS_DefineFunctionsWithHelp(cx, global, unwind_functions))
+        return;
+
+    // baseline-eager.
+    uint32_t saveThreshold = js::jit::JitOptions.baselineWarmUpThreshold;
+    js::jit::JitOptions.baselineWarmUpThreshold = 0;
+
+    int line0 = __LINE__;
+    const char* bytes = "\n"
+        "function unwindFunctionInner() {\n"
+        "    return something();\n"
+        "}\n"
+        "\n"
+        "function unwindFunctionOuter() {\n"
+        "    return unwindFunctionInner();\n"
+        "}\n"
+        "\n"
+        "unwindFunctionOuter();\n";
+
+    CompileOptions opts(cx);
+    opts.setFileAndLine(__FILE__, line0 + 1);
+    RootedValue rval(cx);
+    Evaluate(cx, opts, bytes, strlen(bytes), &rval);
+
+    js::jit::JitOptions.baselineWarmUpThreshold = saveThreshold;
+}