Add m-esr52 at 52.6.0

1 files changed, 49 insertions, 0 deletions

diff --git a/js/src/gc/MemoryProfiler.cpp b/js/src/gc/MemoryProfiler.cpp
new file mode 100644
index 000000000..a061f9303
--- /dev/null
+++ b/js/src/gc/MemoryProfiler.cpp
@@ -0,0 +1,49 @@
+/* -*- 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/. */
+
+#include "jscntxt.h"
+#include "jsfriendapi.h"
+
+#include "vm/Runtime.h"
+
+using js::gc::Cell;
+
+mozilla::Atomic<uint32_t, mozilla::Relaxed> MemProfiler::sActiveProfilerCount;
+NativeProfiler* MemProfiler::sNativeProfiler;
+
+GCHeapProfiler*
+MemProfiler::GetGCHeapProfiler(void* addr)
+{
+    JSRuntime* runtime = reinterpret_cast<Cell*>(addr)->runtimeFromAnyThread();
+    return runtime->gc.mMemProfiler.mGCHeapProfiler;
+}
+
+GCHeapProfiler*
+MemProfiler::GetGCHeapProfiler(JSRuntime* runtime)
+{
+    return runtime->gc.mMemProfiler.mGCHeapProfiler;
+}
+
+JS_FRIEND_API(MemProfiler*)
+MemProfiler::GetMemProfiler(JSContext* context)
+{
+    return &context->gc.mMemProfiler;
+}
+
+JS_FRIEND_API(void)
+MemProfiler::start(GCHeapProfiler* aGCHeapProfiler)
+{
+    ReleaseAllJITCode(mRuntime->defaultFreeOp());
+    mGCHeapProfiler = aGCHeapProfiler;
+    sActiveProfilerCount++;
+}
+
+JS_FRIEND_API(void)
+MemProfiler::stop()
+{
+    sActiveProfilerCount--;
+    mGCHeapProfiler = nullptr;
+}