1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/gc/GCTrace.h b/js/src/gc/GCTrace.h
new file mode 100644
index 000000000..dc3586dd9
--- /dev/null
+++ b/js/src/gc/GCTrace.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * 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_GCTrace_h
+#define gc_GCTrace_h
+
+#include "gc/Heap.h"
+
+namespace js {
+
+class ObjectGroup;
+
+namespace gc {
+
+#ifdef JS_GC_TRACE
+
+extern MOZ_MUST_USE bool InitTrace(GCRuntime& gc);
+extern void FinishTrace();
+extern bool TraceEnabled();
+extern void TraceNurseryAlloc(Cell* thing, size_t size);
+extern void TraceTenuredAlloc(Cell* thing, AllocKind kind);
+extern void TraceCreateObject(JSObject* object);
+extern void TraceMinorGCStart();
+extern void TracePromoteToTenured(Cell* src, Cell* dst);
+extern void TraceMinorGCEnd();
+extern void TraceMajorGCStart();
+extern void TraceTenuredFinalize(Cell* thing);
+extern void TraceMajorGCEnd();
+extern void TraceTypeNewScript(js::ObjectGroup* group);
+
+#else
+
+inline MOZ_MUST_USE bool InitTrace(GCRuntime& gc) { return true; }
+inline void FinishTrace() {}
+inline bool TraceEnabled() { return false; }
+inline void TraceNurseryAlloc(Cell* thing, size_t size) {}
+inline void TraceTenuredAlloc(Cell* thing, AllocKind kind) {}
+inline void TraceCreateObject(JSObject* object) {}
+inline void TraceMinorGCStart() {}
+inline void TracePromoteToTenured(Cell* src, Cell* dst) {}
+inline void TraceMinorGCEnd() {}
+inline void TraceMajorGCStart() {}
+inline void TraceTenuredFinalize(Cell* thing) {}
+inline void TraceMajorGCEnd() {}
+inline void TraceTypeNewScript(js::ObjectGroup* group) {}
+
+#endif
+
+} /* namespace gc */
+} /* namespace js */
+
+#endif