1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/gc/GCProbes.h b/js/src/gc/GCProbes.h
new file mode 100644
index 0000000000..6942610493
--- /dev/null
+++ b/js/src/gc/GCProbes.h
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef gc_GCProbes_h
+#define gc_GCProbes_h
+
+/*
+ * This interface can be used to insert probes for GC related events.
+ *
+ * The code must be built with JS_GC_PROBES for these probes to be called
+ * from JIT code.
+ */
+
+#include <stddef.h>
+
+#include "gc/AllocKind.h"
+#include "js/TraceKind.h"
+
+class JSObject;
+
+namespace js {
+namespace gc {
+
+class GCRuntime;
+struct Cell;
+
+namespace gcprobes {
+
+inline void Init(gc::GCRuntime* gc) {}
+inline void Finish(gc::GCRuntime* gc) {}
+inline void NurseryAlloc(void* ptr, JS::TraceKind kind) {}
+inline void TenuredAlloc(void* ptr, gc::AllocKind kind) {}
+inline void CreateObject(JSObject* object) {}
+inline void MinorGCStart() {}
+inline void PromoteToTenured(gc::Cell* src, gc::Cell* dst) {}
+inline void MinorGCEnd() {}
+inline void MajorGCStart() {}
+inline void TenuredFinalize(gc::Cell* thing) {
+}  // May be called off main thread.
+inline void MajorGCEnd() {}
+
+}  // namespace gcprobes
+}  // namespace gc
+}  // namespace js
+
+#endif  // gc_GCProbes_h